CVE-2016-20024
Deferred
Deferred - Pending Action
Insecure File Permissions in ZKTeco ZKTime.Net Enable Privilege Escalation
Vulnerability report for CVE-2016-20024, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-03-16
Last updated on: 2026-06-08
Assigner: VulnCheck
Description
Description
ZKTeco ZKTime.Net 3.0.1.6 contains an insecure file permissions vulnerability that allows unprivileged users to escalate privileges by modifying executable files. Attackers can exploit world-writable permissions on the ZKTimeNet3.0 directory and its contents to replace executable files with malicious binaries for privilege escalation.
CVSS Scores
EPSS Scores
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| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| zkteco | zktime.net | From 3.0.1.1 (inc) to 3.0.1.6 (inc) |
| zkteco | zktime.net | 3.0.1.6 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-538 | The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information. |
